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vazorg [7]
3 years ago
13

(2x-50) (x+40) 150° 80° (x+20) That 80 is not the correct x

Mathematics
2 answers:
Arada [10]3 years ago
7 0

Answer: x=120

Step-by-step explanation:

(2x-50)+(x+40)+150+80+(x+20)+90= 720

4x+330= 720

4x=390

x=97.5

tatuchka [14]3 years ago
3 0
X=120 is your answer have a great day
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